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Escape string for use in Javascript regex [duplicate]
...
Short 'n Sweet
function escapeRegExp(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string
}
Example
escapeRegExp("All of these should be escaped: \ ^ $ * + ? . ( ) | { } [ ]");
>>> "All of th...
How do I change the string representation of a Python class? [duplicate]
In Java, I can override the toString() method of my class. Then Java's print function prints the string representation of the object defined by its toString() . Is there a Python equivalent to Java's toString() ?
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Is it possible to make an ASP.NET MVC route based on a subdomain?
...if (index < 0)
return null;
var subDomain = url.Substring(0, index);
if (subDomain == "user1")
{
var routeData = new RouteData(this, new MvcRouteHandler());
routeData.Values.Add("controller", "User1"); //Goes to the User1Controller cla...
JavaScript math, round to two decimal places [duplicate]
...Number/toFixed
Edit - As mentioned by others this converts the result to a string. To avoid this:
var discount = +((price / listprice).toFixed(2));
Edit 2- As also mentioned in the comments this function fails in some precision, in the case of 1.005 for example it will return 1.00 instead of 1.01. ...
Check whether a string contains a substring
How can I check whether a given string contains a certain substring, using Perl?
3 Answers
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How do I specify the Linq OrderBy argument dynamically?
...;TEntity> OrderBy<TEntity>(this IQueryable<TEntity> source, string orderByProperty,
bool desc)
{
string command = desc ? "OrderByDescending" : "OrderBy";
var type = typeof(TEntity);
var property = type.GetProperty(orderByProperty);
var pa...
RESTful call in Java
...rns you an InputStream. You will then have to convert your input stream to string and parse the string into it's representative object (e.g. XML, JSON, etc).
Alternatively, Apache HttpClient (version 4 is the latest). It's more stable and robust than java's default URLConnection and it supports mos...
How to change font face of Webview in Android?
...se URL.
As @JaakL suggests in the comment below, for loading HTML from a string, you should instead provide the base URL pointing to your assets:
webView.loadDataWithBaseURL("file:///android_asset/", htmlData);
When referencing the font in htmlData, you may then simply use /fonts/MyFont.otf (om...
Convert string date to timestamp in Python
How to convert a string in the format "%d/%m/%Y" to timestamp?
14 Answers
14
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Regex group capture in R with multiple capture-groups
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str_match(), from the stringr package, will do this. It returns a character matrix with one column for each group in the match (and one for the whole match):
> s = c("(sometext :: 0.1231313213)", "(moretext :: 0.111222)")
> str_match(s, "\\...